WRF#1 – Return Activated sludge pipeline Repair Project

The City of Corona is seeking qualified contractors to repair its Return Activated Sludge (WRF‑#1) pipeline at the municipal water reclamation facility. The scope includes demolition, removal of existing pipe, installation of new ductile‑iron pipe, temporary bypass facilities, and associated utilities, with required asbestos handling and CARB fleet compliance. Bidders must submit electronic bids through PlanetBids, attend a mandatory pre‑bid conference, and provide the required bonds, insurance, and certifications. The contract will be awarded to the lowest responsive and responsible bidder and must be completed within 90 working days after mobilization. • Replace approximately 415‑ft of existing return activated sludge pipe with 436‑ft of ceramic‑epoxy‑lined ductile‑iron pipe. • Provide asbestos abatement (≥ 100 ft²) and obtain ASB certification. • Submit a 10 % bid bond, 100 % performance and payment bonds, and comply with prevailing‑wage and DIR registration requirements. • Complete work within 90 working days; liquidated damages of $1,400 per day for delays.